dblink_get_pkey

Name

dblink_get_pkey -- returns the positions
and field names of a relation's primary key fields

Synopsis

dblink_get_pkey(text relname) returns setof dblink_pkey_results

Description

dblink_get_pkey provides
information about the primary key of a relation in the local
database. This is sometimes useful in generating queries to be
sent to remote databases.

Arguments

relname

Name of a local relation, for example foo or myschema.mytab. Include double quotes if the
name is mixed-case or contains special characters, for
example "FooBar"; without quotes,
the string will be folded to lower case.

Return Value

Returns one row for each primary key field, or no rows if the
relation has no primary key. The result rowtype is defined as

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